1/4-20 x 1/2 Weld Screw with Nibs Under The Head Fully Threaded Plain 3PF The hexagonal shape allows for

The hexagonal shape allows for easy tightening and loosening with a standard wrench or socket

They are strong

It has a Phillips drive type and a truss head style

The 4-24 x 1/4 Phillips Pan Thread Cutting Screw Type 25 Fully Threaded Zinc is a small

These 8-15 x 5/8 Phillips Pan Self Tapping Screw Type A Fully Threaded Black Zinc are designed for use in metal applications

1/4-20 x 1/2 Weld Screw with Nibs Under The Head Fully Threaded Plain 3PF The hexagonal shape allows forThe 1 4 20 x 1 2 Weld Screw with Nibs Under The Head Fully Threaded Plain is a type of screw that is designed for use in welding applications. It has a 1 4 20 thread size, which means that it has 20 threads per inch. The screw is 1 2 inch long and has a fully threaded shank. The head of the screw has nibs under it, which help to prevent the screw from turning when it is being welded. The screw is made of plain steel and has a zinc plated finish.